{"id":2772859,"url":"https://alion.io/job/ust-backend-developer","title":"Backend Developer","company":{"id":1774626,"name":"UST","domain":"ust.com","url":"https://alion.io/company/ust-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"RippleHire","truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Madrid, Spain"],"countries":["ES"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":46000,"max_usd":109000,"period":"year","method":"role_country_seniority_unknown","sample_n":81},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"ASP.NET Core","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"Kanban","optional":false},{"name":"Scrum","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false},{"name":"C#","optional":true}],"status":"live","first_seen_at":"2026-05-04T00:00:00Z","employer_posted_date":"2026-10-17","last_verified_at":"2026-10-18T08:59:27Z","board_verified":true,"closed_at":null,"days_open":167,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":167},"description":"We are still looking for the very Top Talent…and we would be delighted if you were to join our team!\nMore in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies.\nWhat we look for?\nA Backend Developer who has a strong expertise in Java or .NET to design, develop, and maintain backend services in a distributed, service-oriented architecture.\nWork Location\nHybrid. Madrid city center (Sol area). 3 days a week in the office + 2 days remote.\n\nMain tasks and accountabilities will be:\nDesign, develop, and maintain backend services in a distributed, service-oriented architecture.Implement and consume RESTful APIs aligned with established architectural standards.Develop backend software using Java (Spring Boot)or.NET Core, depending on the product stack.Implement and maintain unit and integration tests as part of the development lifecycle.Collaborate closely with QA engineers, frontend developers, DevOps, architects, and product stakeholders.Participate actively in refinement, planning, development, and delivery activities.Ensure code quality, maintainability, and consistency across the backend codebase.Support applications running in production, including troubleshooting and analysis of logs, errors, and runtime behaviour.\nContribute to continuous improvement of backend development practices, tooling, and technical solutions.\nWhat UST expects from you?\nProven experience in backend software development within enterprise environments.\nStrong hands-on experience with Java and Spring Bootor .NET Core / ASP.NET Core.\nSolid experience designing and integrating RESTful APIs.\nExperience working with relational databases and SQL (Oracle, SQL Server, or equivalent).\nFamiliarity with version control systems (Git).\nExperience with unit and integration testing.\nUnderstanding of Agile ways of working (Scrum / Kanban).\nBasic understanding of CI/CD concepts and DevOps environments.\nAwareness of production and operational aspects such as logging, error handling, and monitoring.Strong problem-solving skills and ownership mindset.Comfortable working in complex, regulated enterprise environments.Good communication skills and fluency in English.What can we offer?\n23 days of Annual Leave plus the 24th and 31st of December as discretionary days!Numerous benefits (Heath Care Plan, Internet Connectivity, Life and Accident Insurances).`Retribución Flexible´ Program: (Meals, Kinder Garden, Transport, online English lessons, Heath Care Plan…)Free access to several training platformsProfessional stability and career plansUST also, compensates referrals from which you could benefit when you refer professionals.The option to pick between 12 or 14 payments along the year.Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime…)UST Club Platform discounts and gym Access discounts.If you would like to know more, do not hesitate to apply and we’ll get in touch to fill you in details. UST is waiting for you!\nIn UST we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability & Inclusion, so we are interested in hiring people with disability certificate.","description_format":"text","description_chars":3544,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Annual leave"],"hiring_locations":[{"name":"Spain","iso":"ES","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","IT Outsourcing & Dedicated Teams"],"lifecycle":[{"event":"open","at":"2026-10-17T06:55:26Z"}],"visa":[],"liveness":{"score":2,"band":"cold","label":"Long shot","p_open":1,"p_active":0.08,"p_room":0.28,"age_days":167,"expected_fill_days":14,"reasons":["conf:0","win:tail","crowd:brand"],"computed_at":"2026-10-18T09:31:53Z"},"pay":null,"html_url":"https://alion.io/job/ust-backend-developer","json_url":"https://alion.io/job/ust-backend-developer.json","meta":{"generated_at":"2026-10-18T09:31:53Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":14107,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1774626},"rest":"https://alion.io/mcp/rest/get_company?id=1774626"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fust-backend-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fust-backend-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fust-backend-developer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/ust-backend-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fust-backend-developer"}]}